Home / 8,127.38-11,215.92-4,542.76

Finding the Fourth Proportional to 8,127.38, 11,215.92 and 4,542.76

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Solution

The fourth proportional to 8,127.38, 11,215.92 and 4,542.76 is: 6,269.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.38 : 11,215.92 = 4,542.76 : x
  2. Step 2: Convert to fraction form
    8,127.38/11,215.92 = 4,542.76/x
  3. Step 3: Cross multiply
    8,127.38x = 11,215.92 × 4,542.76
  4. Step 4: Simplify right side
    8,127.38x = 50,951,232.74
  5. Step 5: Solve for x
    x = 50,951,232.74/8,127.38
  6. Step 6: Final answer
    x = 6,269.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.